package com.bjc2.bridge;

/**
 * @program: DesignPattern
 * @description: 抽象的操作系统类 (抽象化角色)
 * @author: bjc
 * @create: 2022-04-05 20:41
 */
public abstract class OpratingSystem{

    //声明videoFile
    protected VideoFile videoFile;

    public OpratingSystem(VideoFile videoFile) {
        this.videoFile = videoFile;
    }

    public abstract void play(String fileName);
}
